370M: The Core i3-370M is a fast clocked Core i3. The TurboBoost, AES, VTd, and Trusted Execution functions are deactivated in the i3-series. Therefore, it always clocks with max. 2.4 GHz (of course Speedstep is included). Thanks to Hyperthreading, 4 threads can be processed simultaneously. An integrated graphics card (GMA HD) and a DDR3 memory controller are also included in the package.» Further information can be found in our Comparison of Mobile Processsors.

15.6":

15-16 inch is a standard display size for laptops and offers the biggest variety of products.